Double-Hung Windows

Our Signature Series Fiberglass, System Boreal Vinyl, and G-Series hybrid offer the perfect custom-built double-hung window for your home, crafted in our Cincinnati facility.

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Signature Series Fiberglass

Our exclusive Signature Series All Fiberglass double hung window featuring traditional mortise and tenon joinery and old-world craftsmanship provides authentic styling with today’s technology.

System Boreal Vinyl

The Gilkey System Boreal is the most popular series we manufacture.
Our exclusive vinyl features 100% virgin uPVC that is lead free and has twice the amount of titanium dioxide than the industry minimum, providing better protection against damaging UV rays.

G-Series Hybrid

Our patented “Hybrid” Double Hung window features a low-profile fiberglass frame with vinyl fusion welded, reinforced sashes. This system provides maximum daylight in an insert installation allowing the homeowner to retain their inside trimwork. Fiberglass and Vinyl – The best of both worlds.